Looks damn good so far!
I too like the street rod type look. On my 77 Blazer, I am going to get some Corvette style rally wheels, powdercoat them red, police car type hubcaps, and narrow trim rings...all on big n littles.
For your interior, I would run a stock bench seat...at least until you put the larger diameter wheels on and paint...but for your black primer look, I would keep it retro so it all matches.
Keep us posted!
-Jeff